The China UCC28025DE is a high performance, fully integrated power factor correction (PFC) controller designed for use in AC/DC power supplies. This product, manufactured by top-rated suppliers in China, offers the ultimate solution for power factor correction with its advanced features and reliable performance. The UCC28025DE operates at a fixed frequency and utilizes the critical conduction mode (CRM) to achieve high power factor and low harmonic distortion. It incorporates a high voltage start-up current source, as well as a current-fed push-pull PWM controller to ensure efficient power transfer and regulation. With its wide input voltage range and high voltage tolerance, this PFC controller is suitable for a variety of applications. Furthermore, the China UCC28025DE features a comprehensive suite of protection features, including overvoltage, overcurrent, and over-temperature protection, ensuring the safety and reliability of your power supply system. It is available in a compact and cost-effective package, making it an ideal choice for power electronics manufacturers worldwide. In summary, the China UCC28025DE PFC controller offers exceptional performance, reliability, and versatility, making it the perfect solution for demanding power supply applications.